/usr/bin/java -Xmx15000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/threadmodular/regression/thread-pooling/ThreadModularVerifier.Settings.epf -tc ../../../trunk/examples/threadmodular/regression/ThreadModularVerifier.xml --icfgtochc.enable.sleep.set.reduction false --chcsolver.chc.solver.backend GOLEM --chcsolver.produce.chc.model.if.query.is.sat true --chcsolver.produce.derivation.if.query.is.unsat false --chcsolver.produce.unsat.core.if.query.is.unsat false -i ../../../trunk/examples/threadmodular/regression/thread-pooling/thread-pooling.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.sleep-threadmodular-3a8dd60-m [2023-06-12 16:29:33,274 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-06-12 16:29:33,351 INFO L100 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/thread-pooling/ThreadModularVerifier.Settings.epf [2023-06-12 16:29:33,358 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-06-12 16:29:33,360 INFO L135 SettingsManager]: Preferences of ChcSolver differ from their defaults: [2023-06-12 16:29:33,360 INFO L137 SettingsManager]: * Produce UNSAT core if query is UNSAT=true [2023-06-12 16:29:33,361 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-06-12 16:29:33,361 INFO L137 SettingsManager]: * Size of a code block=OneNontrivialStatement [2023-06-12 16:29:33,361 INFO L137 SettingsManager]: * Add additional assume for each assert=false [2023-06-12 16:29:33,366 INFO L135 SettingsManager]: Preferences of IcfgToChc differ from their defaults: [2023-06-12 16:29:33,366 INFO L137 SettingsManager]: * Specification mode=ASSERT_VIOLATIONS [2023-06-12 16:29:33,367 INFO L137 SettingsManager]: * Assume program has a precondition=false [2023-06-12 16:29:33,367 INFO L137 SettingsManager]: * Conditional Independence=PRECOMPUTED_CONDITIONS [2023-06-12 16:29:33,369 INFO L135 SettingsManager]: Preferences of ChcSmtPrinter differ from their defaults: [2023-06-12 16:29:33,369 INFO L137 SettingsManager]: * Save file in source directory=true [2023-06-12 16:29:33,369 INFO L137 SettingsManager]: * Use automatic naming=true [2023-06-12 16:29:33,370 INFO L137 SettingsManager]: * File name=CHC_conditional WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.icfgtochc: Enable sleep set reduction -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: CHC solver backend -> GOLEM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce CHC model if query is SAT -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce derivation if query is UNSAT -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.chcsolver: Produce UNSAT core if query is UNSAT -> false [2023-06-12 16:29:33,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-06-12 16:29:33,628 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-06-12 16:29:33,631 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-06-12 16:29:33,632 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-06-12 16:29:33,632 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-06-12 16:29:33,634 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/thread-pooling/thread-pooling.bpl [2023-06-12 16:29:33,634 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/thread-pooling/thread-pooling.bpl' [2023-06-12 16:29:33,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-06-12 16:29:33,666 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-06-12 16:29:33,667 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-06-12 16:29:33,667 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-06-12 16:29:33,667 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-06-12 16:29:33,682 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "thread-pooling.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 04:29:33" (1/1) ... [2023-06-12 16:29:33,683 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "thread-pooling.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 04:29:33" (1/1) ... [2023-06-12 16:29:33,691 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "thread-pooling.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 04:29:33" (1/1) ... [2023-06-12 16:29:33,691 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "thread-pooling.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 04:29:33" (1/1) ... [2023-06-12 16:29:33,695 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "thread-pooling.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 04:29:33" (1/1) ... [2023-06-12 16:29:33,699 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "thread-pooling.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 04:29:33" (1/1) ... [2023-06-12 16:29:33,699 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "thread-pooling.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 04:29:33" (1/1) ... [2023-06-12 16:29:33,700 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "thread-pooling.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 04:29:33" (1/1) ... [2023-06-12 16:29:33,701 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-06-12 16:29:33,702 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-06-12 16:29:33,702 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-06-12 16:29:33,702 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-06-12 16:29:33,704 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "thread-pooling.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.06 04:29:33" (1/1) ... [2023-06-12 16:29:33,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-06-12 16:29:33,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-06-12 16:29:33,730 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-06-12 16:29:33,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-06-12 16:29:33,777 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-06-12 16:29:33,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-06-12 16:29:33,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-06-12 16:29:33,817 INFO L236 CfgBuilder]: Building ICFG [2023-06-12 16:29:33,818 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-06-12 16:29:33,892 INFO L277 CfgBuilder]: Performing block encoding [2023-06-12 16:29:33,901 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-06-12 16:29:33,902 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-06-12 16:29:33,904 INFO L201 PluginConnector]: Adding new model thread-pooling.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.06 04:29:33 BoogieIcfgContainer [2023-06-12 16:29:33,904 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-06-12 16:29:33,904 INFO L112 PluginConnector]: ------------------------IcfgToChc---------------------------- [2023-06-12 16:29:33,905 INFO L270 PluginConnector]: Initializing IcfgToChc... [2023-06-12 16:29:33,905 INFO L274 PluginConnector]: IcfgToChc initialized [2023-06-12 16:29:33,907 INFO L184 PluginConnector]: Executing the observer IcfgToChcObserver from plugin IcfgToChc for "thread-pooling.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.06 04:29:33" (1/1) ... [2023-06-12 16:29:34,173 INFO L201 PluginConnector]: Adding new model thread-pooling.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 12.06 04:29:34 HornClauseAST [2023-06-12 16:29:34,173 INFO L131 PluginConnector]: ------------------------ END IcfgToChc---------------------------- [2023-06-12 16:29:34,174 INFO L112 PluginConnector]: ------------------------ChcSmtPrinter---------------------------- [2023-06-12 16:29:34,174 INFO L270 PluginConnector]: Initializing ChcSmtPrinter... [2023-06-12 16:29:34,174 INFO L274 PluginConnector]: ChcSmtPrinter initialized [2023-06-12 16:29:34,175 INFO L184 PluginConnector]: Executing the observer ChcSmtPrinterObserver from plugin ChcSmtPrinter for "thread-pooling.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 12.06 04:29:34" (1/1) ... [2023-06-12 16:29:34,177 INFO L192 hcSmtPrinterObserver]: Writing to file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/threadmodular/regression/thread-pooling/CHC_conditional_thread-pooling.bpl_UID15667248968164628957.smt2 [2023-06-12 16:29:34,229 INFO L131 PluginConnector]: ------------------------ END ChcSmtPrinter---------------------------- [2023-06-12 16:29:34,231 INFO L112 PluginConnector]: ------------------------ChcSolver---------------------------- [2023-06-12 16:29:34,231 INFO L270 PluginConnector]: Initializing ChcSolver... [2023-06-12 16:29:34,232 INFO L274 PluginConnector]: ChcSolver initialized [2023-06-12 16:29:34,233 INFO L184 PluginConnector]: Executing the observer ChcSolverObserver from plugin ChcSolver for "thread-pooling.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtochc OTHER 12.06 04:29:34" (1/1) ... [2023-06-12 16:29:34,234 INFO L88 GolemChcScript]: Writing script to file /tmp/golem_8941713611536462299.smt2 [2023-06-12 16:29:34,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/golem [2023-06-12 16:29:34,269 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/golem --print-witness /tmp/golem_8941713611536462299.smt2 (exit command is null, workingDir is null) [2023-06-12 16:29:34,280 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: golem (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/golem --print-witness /tmp/golem_8941713611536462299.smt2 (2) without exit command) Received EOF on stdin. No stderr output. at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.lib.chc.GolemChcScript.solve(GolemChcScript.java:107) at de.uni_freiburg.informatik.ultimate.lib.chc.GolemChcScript.solve(GolemChcScript.java:79) at de.uni_freiburg.informatik.ultimate.plugins.chcsolver.ChcSolverObserver.process(ChcSolverObserver.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 17 more [2023-06-12 16:29:34,286 INFO L158 Benchmark]: Toolchain (without parser) took 619.03ms. Allocated memory is still 343.9MB. Free memory was 293.5MB in the beginning and 267.3MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 15.0GB. [2023-06-12 16:29:34,286 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.20ms. Allocated memory is still 343.9MB. Free memory is still 294.6MB. There was no memory consumed. Max. memory is 15.0GB. [2023-06-12 16:29:34,287 INFO L158 Benchmark]: Boogie Preprocessor took 34.28ms. Allocated memory is still 343.9MB. Free memory was 293.5MB in the beginning and 291.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. [2023-06-12 16:29:34,288 INFO L158 Benchmark]: RCFGBuilder took 201.83ms. Allocated memory is still 343.9MB. Free memory was 291.5MB in the beginning and 282.0MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 15.0GB. [2023-06-12 16:29:34,288 INFO L158 Benchmark]: IcfgToChc took 269.07ms. Allocated memory is still 343.9MB. Free memory was 281.6MB in the beginning and 272.7MB in the end (delta: 9.0MB). Peak memory consumption was 6.3MB. Max. memory is 15.0GB. [2023-06-12 16:29:34,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/golem --print-witness /tmp/golem_8941713611536462299.smt2 (2)] Waiting until timeout for monitored process [2023-06-12 16:29:34,295 INFO L158 Benchmark]: ChcSmtPrinter took 55.45ms. Allocated memory is still 343.9MB. Free memory was 272.7MB in the beginning and 270.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. [2023-06-12 16:29:34,291 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/golem --print-witness /tmp/golem_8941713611536462299.smt2 (2)] Ended with exit code 134 [2023-06-12 16:29:34,296 INFO L158 Benchmark]: ChcSolver took 53.04ms. Allocated memory is still 343.9MB. Free memory was 270.0MB in the beginning and 267.3MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 15.0GB. [2023-06-12 16:29:34,303 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20ms. Allocated memory is still 343.9MB. Free memory is still 294.6MB. There was no memory consumed. Max. memory is 15.0GB. * Boogie Preprocessor took 34.28ms. Allocated memory is still 343.9MB. Free memory was 293.5MB in the beginning and 291.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. * RCFGBuilder took 201.83ms. Allocated memory is still 343.9MB. Free memory was 291.5MB in the beginning and 282.0MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 15.0GB. * IcfgToChc took 269.07ms. Allocated memory is still 343.9MB. Free memory was 281.6MB in the beginning and 272.7MB in the end (delta: 9.0MB). Peak memory consumption was 6.3MB. Max. memory is 15.0GB. * ChcSmtPrinter took 55.45ms. Allocated memory is still 343.9MB. Free memory was 272.7MB in the beginning and 270.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 15.0GB. * ChcSolver took 53.04ms. Allocated memory is still 343.9MB. Free memory was 270.0MB in the beginning and 267.3MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 15.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.chcsolver: - ExceptionOrErrorResult: SMTLIBException: golem (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/golem --print-witness /tmp/golem_8941713611536462299.smt2 (2) without exit command) Received EOF on stdin. No stderr output. de.uni_freiburg.informatik.ultimate.plugins.chcsolver: SMTLIBException: golem (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/golem --print-witness /tmp/golem_8941713611536462299.smt2 (2) without exit command) Received EOF on stdin. No stderr output.: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-06-12 16:29:34,321 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...